Czech Republic SMS Features and Restrictions
Country Summary
| Country Name | Czech Republic |
| ISO | CZ |
| Country Code | 420 |
| Region | Europe |
| MCC (Mobile country code) | 230 |
Sender ID Guidelines
| Alphanumeric Sender ID |
Sender IDs must be registered to ensure delivery, unregistered sender IDs will be rejected by T-mobile, and may be modified or rejected by Vodafone and O2. *Pre-Registration is mandatory to ensure delivery. **Character limitation. |
| Numeric Sender ID |
Numeric sender IDs are not supported unless offered by Vonage's 2-way service. The numeric Sender IDs will be overwritten to ensure delivery. |
| Generic Sender ID | Generic sender IDs such as INFO, SMS, NOTICE etc are prohibited. |
*To initiate the Sender ID registration process, please check Global Sender ID Portal or contact your account manager or support
**Please also note, the underscore character (_) is restricted from being used in a sender ID.
Use-Case & Content Guidelines
| Marketing Traffic | Before sending any marketing traffic, opt-in consent is required from handset users. |
Additional Information
P2P traffic is prohibited.
No political, religious, unsolicited promotion, or gambling content.
There are no additional content restrictions beyond those in our Acceptable Use Policy.
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